c++:

#include <iostream>
using namespace std;
int main() {
    int N;
    cin >> N; 
    for (int i = 0; i < N; ++i) {
        int a, b, c;
        cin >> a >> b >> c; 
        if (a == 1) {
            cout << (b + c) << endl; 
        } else if (a == 2) {
            cout << (b - c) << endl; 
        } else if (a == 3) {
            cout << (b * c) << endl; 
        } else if (a == 4) {
            cout << (b / c) << endl;
        }
    }

    return 0;
}

c++:

#include 
using namespace std;
int main() {
    int N;
    cin >> N; 
    for (int i = 0; i < N; ++i) {
        int a, b, c;
        cin >> a >> b >> c; 
        if (a == 1) {
            cout << (b + c) << endl; 
        } else if (a == 2) {
            cout << (b - c) << endl; 
        } else if (a == 3) {
            cout << (b * c) << endl; 
        } else if (a == 4) {
            cout << (b / c) << endl;
        }
    }

    return 0;
}

python:

N = int(input())

for _ in range(N):

    a, b, c = map(int, input().split())

    if a == 1:

        result = b + c

    elif a == 2:

        result = b - c

    elif a == 3:

        result = b * c

    elif a == 4:

        result = b // c      

    print(result)